OpenTechnical

OT-2026-000098190

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000098190) never changes.

Identity and time

Publication numberOT-2026-000098190 · never reused
Internal UUID01a0aea1-e964-7809-9acf-a99b187a0f09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098190
StatusPUBLIC

Content hashes

Canonical text4b9aa340302efe584c14bb58373619db3b411db6e95e879368ecfbb832178b49
Markdown20b2222bc2f09864f48f88a785871b2a440f30408c6e1ede7bf7d8e0007acdfa
PDF
Publication pagec90f6d4d63681e1f5edb1f88eeed75cd793304057dd2854b5d1df62fa3721d68
Manifest777adbd91d28a0a78a3425be9709b59451d277636b9b11f76bb8dd4b6d792f5f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureASWlnoDqR7aGSUBkjyjXd/6QUDLHzeJ3JJslM/xrtT5Ro+bFHFO3hymNSiRpFAoUfu/apssqbIAdegCKIIivCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:20.891530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098190
observed c90f6d4d63681e1f5edb1f88eeed75cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:20.873879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098190/manifest.json
observed 777adbd91d28a0a78a3425be9709b594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:20.855105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098190/publication.md
observed 20b2222bc2f09864f48f88a785871b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:20.835646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098190/publication.txt
observed 4b9aa340302efe584c14bb58373619db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.